Huawei FreeBuds wireless headphones 4i The popularity of the smartphone is due to the combination of high-quality sound, long autonomy and affordable price.However, many owners of Xiaomi smartphones (including Redmi models and the most affordable price). POCO) They have difficulty connecting for the first time, because devices either don't find each other, or they're constantly breaking up, and that's because of the Bluetooth protocols and the add-ons. MIUI, Sometimes they are in conflict with other brands.
In this article you will find detailed instructions on pairing FreeBuds 4i device-wise MIUI (including MIUI 14 and HyperOS), and solutions to typical problems ranging from no sound to auto-connection failures, we'll look at both the standard way through the Bluetooth menu and alternative methods for legacy firmware versions. Separately, we will focus on the configuration of gestures control and optimization of sound for Xiaomi.
Preparing for connection: compatibility checks and updates
Before pairing, make sure your Xiaomi smartphone and Huawei FreeBuds headphones 4i Ready to work. Basic requirements:
- 📱 Version. MIUI/HyperOS: lower MIUI 12 (for stable operation with Bluetooth 5.0+). On older versions, codec problems may occur. AAC.
- 🔋 Headphone charge: at least 20% (with low charge FreeBuds) 4i They may not be in the conjugation mode).
- 🔄 Firmware updates: check the relevance of headphones through the Huawei app AI Life (if established).
- 🚫 Conflicting devices: Remove all previously connected headphones (especially other Huawei or Honor models) from your smartphone memory).
Pay special attention to the Bluetooth version of your Xiaomi:
| Xiaomi model | Bluetooth version | Support AAC/SBC | Notes |
|---|---|---|---|
| Xiaomi 13/13 Pro, Redmi K60 | 5.3 | Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/ | Better compatibility, stable connection |
| POCO F5, Redmi Note 12 | 5.2 | Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/Yes/ | Rare breaks are possible with a weak signal |
| Redmi 10, POCO M4 Pro | 5.0 | Yes/No | Requires manual codec configuration |
| Xiaomi Mi A3, Redmi 8 | 4.2 | No. | The sound is only through SBC, delays |
If your smartphone falls into the last two categories, turn off the Absolute Volume feature in the developer settings before connecting (Settings) → The phone. → Version. MIUI → 5 times to tap → For developers → Turn off absolute volume, which will help to avoid distortion of sound at high volume.
Standard connection via Bluetooth menu
The most reliable way to pair is to use the standard Bluetooth menu in the MIUI. Follow the step-by-step instructions:
- Activate the pairing mode on the headphones: 🎧 Get both earphones out of the case. 🔘 Press the button on the case for 5-7 seconds until the indicator starts flashing red and white (search mode). 📌 The headphones will automatically go to Pairing mode and will be searchable within 3 minutes.
- Turn Bluetooth on on Xiaomi: 📲 Swipe down the screen to open the notification bar. 🔵 Slip on the Bluetooth icon (or go to Settings). → Connections → Bluetooth). 🔍 Click on “Search for Devices” (in some versions) MIUI Searching for the search starts automatically).
- Choose FreeBuds 4i list: 📋 In the list of available devices will appear Huawei FreeBuds 4i (Sometimes displayed as LE-FreeBuds 4i). 🖱️ Then, tap it and confirm the pairing (if necessary, enter the code 0000).
Once you've successfully connected, you'll see a headphone icon marked "Connected" on the Bluetooth menu. If the sound doesn't come right away, check:
Open the notification bar and select FreeBuds 4i sound-out|
Reboot the headphones (put in the case for 10 seconds, then pull out)|
Check the volume level on your smartphone and headphones (adjusted by gestures)|
Disable other connected Bluetooth devices (columns, clocks)
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On some Xiaomi models (such as the Redmi Note 10 Pro), a notification may appear after connecting, “The device supports additional features.” AAC — tap "Plug" to activate it for better sound.
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If the headphones are connected but the sound is interrupted, try turning off the option in Bluetooth settings «HD-audio" (if any) This will reduce the sound quality, but increase the stability of the connection.
Alternative ways of connecting
If the standard method didn't work, try one of the alternatives, which is especially useful for older devices. MIUI or non-standard firmware.
Method 1: Connecting through the Huawei app AI Life
Official Huawei app AI Life (available on Google Play and AppGallery) is sometimes better at pairing than a standard Bluetooth manager. MIUI. Instructions:
- 📥 Install Huawei AI Life and open it up.
- 🔍 Click "Add device» → «Headphones» → Huawei FreeBuds 4i.
- 🔄 Follow the hints on the screen (the app itself activates the pairing mode on the headphones).
- 🔗 After connecting in the application will be available additional settings: charge check, firmware update, gesture settings.
The advantage of this method is that it automatically installs the latest firmware for headphones, which solves many compatibility problems. However, on some Xiaomi smartphones, the application can request permissions to access location and contacts - this is a requirement of Android for working with Bluetooth. LE.
Method 2: Reset Bluetooth settings on Xiaomi
If the headphones have previously connected to another device or have crashed, resetting Bluetooth settings can help:
- 📱 Go to Settings. → Connections → Bluetooth.
- ⚙️ Slip on three points in the upper right corner. → «Bluetooth settings».
- 🔄 Select Reset Settings (or Clear Cache in older versions) MIUI).
- 🔘 Reboot your smartphone and reconnect.
This method removes all stored Bluetooth devices and resets the module cache, which often solves the problems with the “invisibility” of the headphones. After reset, you will have to reconnect all accessories (fitness bracelets, speakers, etc.).
Method 3: Manual addition of the device by MAC-address
In rare cases (for example, on custom firmware) FreeBuds 4i They don't show up in the list of available devices. Then you can try adding them manually to the list. MAC-address:
- 📋 Find out. MAC-Headphone address: Connect them to another smartphone (like Huawei or Android).In Bluetooth settings, find FreeBuds 4i and look MAC (format: XX:XX:XX:XX:XX:XX).
Xiaomi
Settings → The phone. → Version. MIUI
🔧 Return to "Settings» → «Additionally» → «For developers» → Turn on "Bluetooth Debugging».
ADB
adb shell btmgmt add-device XX:XX:XX:XX:XX:XX(substitute XX:XX:XX:XX:XX:XX real MAC-address).
This method requires technical skills and is only suitable for advanced users, and after completing the command, the headphones should appear in the list of Bluetooth devices.
What to do if MAC-address not determined?
Customization of sound and gesture control
After successful connection, it is recommended to optimize the settings of sound and gestures under the MIUI. This will improve the user experience and prevent accidental triggers.
Optimization of sound
By default, FreeBuds 4i codec SBC, But most of the smartphones Xiaomi is available AAC To test and modify the codec:
- 🎵 Turn on music playback through headphones.
- 📊 Install Bluetooth Codec Changer (root rights required) or Developer Options.
- 🔧 In Bluetooth settings, find FreeBuds 4i → «Additionally» → «Audio codec».
- 🎧 Choose. AAC (Priority or aptX (if supported).
On some firmware MIUI The codec selection option is hidden. ADB-team:
adb shell settings put global bluetooth_a2dp_offload_capability 255This command will unlock all available codecs, but may require a reboot.
Customization of gestures
Huawei FreeBuds 4i They support gesture control, but they're customized by the headphone firmware:
- 👆 Double tap on left earpiece: previous track/voice assistant call.
- 👇 Double touch on the right earpiece: the next track / call taking.
- 🔇 Retention on any headphone: on/off noise reduction (if supported).
To change the gestures:
- 📱 Install the Huawei app AI Life (unless established).
- 🔗 Connect the headphones through the application (they should appear in the list of devices).
- ⚙️ Slip on FreeBuds. 4i → «Touch settings».
- 🖱️ Select an action for each gesture (options available: music management, calls, voice assistant).
On Xiaomi smartphones with Google Assistant, the default double tap activates it. To change that:
- 📱 Go to Settings. → Annexes → Default applications → Voice input.
- 🔊 Choose another assistant (for example, Alice from Yandex or Siri for iOS).
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FreeBuds headphones 4i They don't support simultaneous connection to two devices (multipoint), and when you switch between smartphones, you have to re-match them every time you switch.
Typical problem solving
Even after a successful connection, Xiaomi users may encounter errors, and consider the most common and ways to fix them.
Problem 1: Headphones are connected, but there is no sound
Causes and solutions:
- 🔈 Incorrect output device: in the notification panel, tap the headphone icon and select them as the sound source.
- 🔋 Low charge: Put the headphones in the case for 10 minutes, then reconnect.
- 🎛️ Codec Conflict: In Bluetooth Settings, Turn Off the Option «HD-audio” or “Double transmission».
- 🔄 Firmware failure: Update headphones through Huawei AI Life.
Problem 2: Permanent connection breaks
If the sound is interrupted or the headphones are turned off after a few minutes:
- 📶 Weak Bluetooth signal: Keep your smartphone and headphones at a distance of no more than 5 meters without obstacles.
- 📵 Interference from other devices: Turn off Wi-Fi (2.4GHz interferes with Bluetooth) or go to 5GHz.
- 🔄 Conflict with other accessories: Turn off smartwatches, fitness bracelets or speakers.
- 📱 Energy saving: add Huawei to battery settings AI Life Excluding Optimization.
On some Xiaomi models (e.g. Redmi 9) it helps to disable the “Adaptive Bluetooth” function in the developer settings (Settings) → For developers → Network → Adaptive Bluetooth).
Problem 3: Headphones are not detected when reconnected
If FreeBudds 4i Do not automatically connect after the first pairing:
- 🔄 Reset headphone settings: put them in the case, press the button for 10 seconds until the indicator flashes red.
- 📱 Cleaning the Bluetooth cache: Go to Settings → Annexes → Application management. Find "Bluetooth» → «Warehouse» → «Clear the cache».
Manual connection
Bluetooth
FreeBuds 4i
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If the headphones only connect after you reboot your smartphone, turn off the Quick Connect feature in Bluetooth settings. It sometimes conflicts with devices from other brands.
Problem 4: Sound distortion or delay
Causes and solutions:
- 🎵 Incorrect codec: forcefully select AAC or SBC developer-setting.
- 📱 CPU overload: Close background applications (especially games or video players).
- 🔋 Low-charge headphones: charge them up to 50% or more.
- 🔄 Conflict with MIUI-Optimizations: Turn off “Intelligent Resolution” in the sound settings.
To check for audio delay, you can use the test on audiocheck.net. Normal latency for FreeBuds 4i — Up to 150ms. If the value is higher, try another codec.
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FreeBuds headphones 4i Do not support the aptX codec or LDAC, So on smartphones with these codecs, the sound will be transmitted through AAC or SBC.
Comparison with other headphones: whether to choose FreeBuds 4i Xiaomi?
If you haven’t bought Huawei FreeBuds yet 4i And doubt their compatibility with Xiaomi, compare them with alternatives from Xiaomi and other brands:
| Model | Price (2026) | Time to work. | Codecs. | Compatibility with MIUI | Features |
|---|---|---|---|---|---|
| Huawei FreeBuds 4i | ~5 000 ₽ | 10 h (22 h with case) | AAC, SBC | ⭐⭐⭐⭐ (4/5) | Good noise cancellation, light, but sometimes problems with autoconnection |
| Xiaomi Buds 4 | ~6 000 ₽ | 9 h (24 h with case) | AAC, SBC, LHDC | ⭐⭐⭐⭐⭐ (5/5) | Better integration with MIUI, but worse than noise cancellation |
| Redmi Buds 4 Active | ~3 500 ₽ | 6:00 (20:00 with case) | SBC | ⭐⭐⭐⭐ (4/5) | Budget option, but weak bass and no AAC |
| Sony WF-C700N | ~8 000 ₽ | 7.5 hours (20 hours with case) | AAC, SBC | ⭐⭐⭐ (3/5) | Better sound quality, but more expensive and heavier |
Conclusion: FreeBuds 4i — A good choice for Xiaomi if you want autonomy and noise reduction. However, for maximum compatibility, it is better to consider Xiaomi Buds 4 (especially if you have a smartphone with a high-speed phone). LHDC). If budget is tight, Redmi Buds 4 Active is cheaper but loses out as a sound.
The Benefits of FreeBuds 4i Xiaomi:
- ✅ Longer work without recharging than most budget counterparts.
- ✅ Good noise reduction for your price range.
- ✅ Universal compatibility (works with both iPhone and Android).
Disadvantages:
- ❌ Sometimes you need a manual connection after restarting the smartphone.
- ❌ No support for aptX or LHDC (music-loving).
- ❌ Huawei appendix AI Life can be in conflict with MIUI.